Ventilation cushion block at bottom of car wall
By designing a ventilation pad structure using clamps and support in the elevator car, the problem of convenience in realizing and installing the ventilation area of the lower part of the elevator car is solved, and the effectiveness of ventilation in the lower part of the car is realized and the convenience of installation is achieved.
Patent Information
- Application Number
- CN202421397945.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The ventilation pads of the existing elevator car are not installed conveniently enough, which affects the realization of the ventilation area of the lower part of the car.
A ventilation pad at the bottom of the car wall is designed. By setting a plurality of ventilation pads between the car bottom and the car wall, the combined structure of the clamp and the support part is used to realize the ventilation gap between the car wall and the car bottom, which is convenient for installation and adjustment.
The ventilation area of the lower part of the car is effectively realized, the installation process of ventilation pads is simplified, and the installation efficiency and convenience are improved.
Smart Images

Figure CN222647378U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator cars, in particular to a ventilation cushion block at the bottom of a car wall. Background Art
[0002] In order to ensure the air circulation of the elevator car and improve the comfort of passengers, the national standard has minimum ventilation area requirements for the upper and lower parts of the car. The upper part is achieved through fan holes and other structures set on the top of the car, while the lower part only has a ventilation gap between the car door and the front wall, and a special ventilation structure needs to be set up to meet the ventilation area requirements of the lower part.
[0003] Elevators on the market generally use two ventilation structures: front wall ventilation and pad ventilation. Front wall ventilation refers to opening multiple ventilation holes on the front wall of the car, which affects the decorative effect. The other is the pad ventilation structure. Pad ventilation refers to installing spaced pads at the connection between the side and rear walls and the car bottom to raise the wall panels to a certain height, creating a gap between the car wall and the car bottom to achieve ventilation effect at the bottom. Due to different installation locations, the ventilation pads of the same elevator may have multiple structures, and the connection methods with the car bottom are generally bolt connection or welding, which makes installation inconvenient.
[0004] Therefore, in view of the deficiencies in the prior art, a ventilation cushion block at the bottom of a car wall is provided. Utility Model Content
[0005] In order to overcome the deficiencies of the prior art, the utility model provides a ventilation pad at the bottom of a car wall, aiming to solve the problem that the pad is not convenient to install.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A ventilation pad at the bottom of a car wall, wherein a plurality of ventilation pads are arranged between the car bottom and the car wall, the car bottom is provided with a frame, comprising: a clamp and a support portion, the support portion is located between the frame and the car wall, the support portion supports the car wall so that a ventilation gap is formed between the frame and the car wall, and the frame is provided with a square hole for the clamp to be inserted.
[0008] As a further improvement of the technical solution of the utility model, the clamp includes a first clamping edge and a second clamping edge, the first clamping edge is inserted into the square hole and abuts against the inner wall of the frame, and the second clamping edge abuts against the outer wall of the frame.
[0009] As a further improvement of the technical solution of the utility model, a protrusion is provided on the first clamping edge near the clamping opening, and the cross-section of the protrusion is in an arc shape.
[0010] As a further improvement of the technical solution of the utility model, the frame and the clamp are interference fit.
[0011] As a further improvement of the technical solution of the utility model, the length of the first clamping edge is smaller than the length of the second clamping edge.
[0012] As a further improvement of the technical solution of the utility model, the clamp is in the shape of a hairpin.
[0013] As a further improvement of the technical solution of the utility model, the ventilation cushion block also includes a limiting portion, the limiting portion is located above the second clamping edge, and the limiting portion is abutted and matched with the outer wall of the car wall.
[0014] As a further improvement of the technical solution of the utility model, the clamping opening, the supporting portion and the limiting portion are integrally arranged.
[0015] As a further improvement of the technical solution of the utility model, the width between the supporting parts of adjacent ventilation pads is the width of the ventilation gap.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] In the ventilation pad at the bottom of the car wall of the utility model, multiple ventilation pads are installed between the car bottom and the car wall. When installing, the clamp is inserted into the square hole, and the ventilation pad is clamped and connected with the frame through the clamp. One end of the support part is close to the top of the frame, and the other end supports the car wall, so that a ventilation gap is formed between the frame and the car wall. The thickness of the support part and the distance between adjacent ventilation pads can be changed according to the required ventilation area to achieve the ventilation area requirement of the lower part of the car. The ventilation pad at the bottom of the car wall has the characteristics of being more convenient and quick to install. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The technology of the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:
[0019] Figure 1 It is a schematic diagram of the cross-sectional structure of the bottom of the car wall of the utility model;
[0020] Figure 2 It is a forward schematic diagram of the bottom of the car wall of the utility model;
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the ventilation pad at the bottom of the car wall of the utility model;
[0022] Figure 4 It is a schematic cross-sectional structure diagram of Example 2 of the ventilation pad at the bottom of the car wall of the utility model;
[0023] Figure 5The utility model is a schematic diagram of the cross-sectional structure of a car bottom in a ventilation cushion block at the bottom of a car wall.
[0024] In the figure:
[0025] 1. Clamp; 11. First clamping edge; 12. Second clamping edge; 13. Raised portion; 2. Support portion; 3. Limiting portion; 4. Car bottom; 41. Frame; 42. Square hole; 5. Car wall; 6. Ventilation gap. DETAILED DESCRIPTION
[0026] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments and features in the embodiments in this application can be combined with each other without conflict. The same reference numerals used throughout the drawings indicate the same or similar parts.
[0027] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present invention are only relative to the relative positional relationship of the components of the present invention in the drawings.
[0028] Reference Figures 1 to 5 , a ventilation pad at the bottom of a car wall 5, comprising a clamping opening 1 and a supporting portion 2;
[0029] In one embodiment, a plurality of ventilation pads are arranged between the car bottom 4 and the car wall 5, the car bottom 4 is provided with a frame 41, the support portion 2 is located between the frame 41 and the car wall 5, the support portion 2 supports the car wall 5, so that a ventilation gap 6 is formed between the frame 41 and the car wall 5, and the frame 41 is provided with a square hole 42 for the clamp 1 to be inserted. The frame 41 and the clamp 1 are interference fit. The insertion type installation structure is adopted, which is convenient for disassembly and assembly and has high assembly efficiency. Preferably, a clamp 1 can be arranged below the support portion 2, or a clamp 1 can be arranged on each side of the ventilation pad.
[0030] Among them, a plurality of ventilation pads are installed between the car bottom 4 and the car wall 5. During installation, the clamp 1 is inserted into the square hole 42, and the ventilation pad is clamped and connected with the frame 41 through the clamp 1. One end of the support part 2 is close to the frame 41, and the other end supports the car wall 5, so that a ventilation gap 6 is formed between the frame 41 and the car wall 5. The thickness of the support part 2 and the distance between adjacent ventilation pads can be changed according to the required ventilation area to achieve the ventilation area requirement of the lower part of the car. The ventilation pad at the bottom of the car wall 5 is more convenient and quick to install. It has a simple structure and strong versatility. It does not need to distinguish between types during installation, which is easy to manage.
[0031] In one embodiment, referring to Figure 3-Figure 5 As shown, the clamp 1 includes a first clamping edge 11 and a second clamping edge 12. The first clamping edge 11 is inserted into the square hole 42 and abuts against the inner wall of the frame 41, and the second clamping edge 12 abuts against the outer wall of the frame 41. The length of the first clamping edge 11 is less than that of the second clamping edge 12.
[0032] In one embodiment, the first clamping edge 11 is provided with a protrusion 13 near the opening of the clamping opening 1, and the cross section of the protrusion 13 is in an arc shape. The clamping opening 1 is in a hairpin shape.
[0033] In one embodiment, the ventilation cushion block further includes a limiting portion 3, which is located above the second clamping edge 12, and the limiting portion 3 abuts against the outer wall of the car wall 5. When the clamp 1 is inserted into the square hole 42, the first clamping edge 11 abuts against the inner wall of the frame 41, so that the ventilation cushion block as a whole has an inward force, and at this time, the limiting portion 3 abuts against the outer wall of the car wall 5 to balance its force. When the ventilation cushion block needs to be replaced, the limiting portion 3 can be held to take it out.
[0034] In one embodiment, the clamping opening 1, the supporting portion 2 and the limiting portion 3 are integrally arranged, and the limiting portion 3, the supporting portion 2 and the second clamping edge 12 are T-shaped. The mold is integrally formed, which is convenient for processing and can be replaced by materials such as plastics, without spraying, and has low cost.
[0035] In one embodiment, the width between the supporting parts 2 of adjacent ventilation pads is the width of the ventilation gap 6 .
[0036] In Example 2, referring to Figure 4 As shown, the positions of the first clamping edge 11 and the second clamping edge 12 can be interchanged, the first clamping edge 11 abuts and cooperates with the outer wall of the frame 41, the second clamping edge 12 abuts and cooperates with the inner wall of the frame 41, and the length of the first clamping edge 11 is smaller than the length of the second clamping edge 12. At this time, the limiting portion 3 can be set at the other end of the supporting portion 2, the supporting portion 2 abuts and cooperates with the inner wall of the car wall 5, and the limiting portion 3, the supporting portion 2 and the first clamping edge 11 are in a Z shape.
[0037] For other contents of the ventilation pad at the bottom of the car wall described in the present invention, please refer to the prior art and will not be described in detail here.
[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Therefore, any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.
[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A ventilation pad at the bottom of a car wall, wherein a plurality of ventilation pads are arranged between the car bottom and the car wall, and the car bottom is provided with a frame, characterized in that: include: A clamp and a support portion, wherein the support portion is located between the frame and the car wall, and the support portion supports the car wall so that a ventilation gap is formed between the frame and the car wall. The frame is provided with a square hole for the clamp to be inserted.
2. A ventilation pad at the bottom of a car wall according to claim 1, characterized in that: The clamping opening comprises a first clamping edge and a second clamping edge, the first clamping edge is inserted into the square hole and abuts against the inner wall of the frame, and the second clamping edge abuts against the outer wall of the frame.
3. The ventilation pad at the bottom of the car wall according to claim 2, characterized in that: A protrusion is provided on the first clamping edge near the clamping opening, and the cross section of the protrusion is in an arc shape.
4. The ventilation pad at the bottom of the car wall according to claim 1, characterized in that: The frame is interference fit with the clamping opening.
5. The ventilation pad at the bottom of the car wall according to claim 2, characterized in that: The length of the first clamping edge is smaller than the length of the second clamping edge.
6. The ventilation pad at the bottom of the car wall according to claim 1, characterized in that: The clamp is in the shape of a hairpin.
7. The ventilation pad at the bottom of the car wall according to claim 2, characterized in that: The ventilation cushion block further comprises a limiting portion, wherein the limiting portion is located above the second clamping edge and abuts against the outer wall of the car wall.
8. The ventilation pad at the bottom of the car wall according to claim 1, characterized in that: The clamping opening, the supporting portion and the limiting portion are integrally arranged.
9. The ventilation pad at the bottom of the car wall according to claim 1, characterized in that: The width between the supporting parts of adjacent ventilation pads is the width of the ventilation gap.